/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMGraph.h
Returns a list of unique Variable descriptions within this Graph. Multiple Variable Nodes can share the same description.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMGraph) [TArray](API\Runtime\Core\Containers\TArray)< [FRigVMGraphVariableDescription](API\Plugins\RigVMDeveloper\RigVMModel\FRigVMGraphVariableDescription) > GetVariableDescriptions() const